Help me get this right about Dolby Digital, DTS, DolbyTrue HD, DTS HD, Sacd, Dvd audio, Uncompressed audio. I will make some statements and their relations and hopefully you guys will tell me if I am right or wrong. I will start with the obvious. Example A: LP or vinyl. Stereo sound is stored on the media format in a left channel right channel. The same as cassettes or even stereo vhs. Example B: Compact disc Stereo sound in digital form but needs to be converted to analog left and right channels. Example C: DVD more notably Dolby Digital, DTS, DTS HD, Dolby True HD, Dolby Digital Plus. Compression algorithms. sound in digital form compressed using one of these schemes. Must be decoded either in player or receiver/prepro then converted to from digital to multiple analog channels Example D: Sacd DVd Audio Uncompressed Audio( blue ray /HD dvd) HI Rez sound in digital form must be converted to multiple analog channels by player or Receiver/pre pro ( after being transmitted via HDMI because of copy right issues). Let me know if I am wrong any where.